If you maintain good oral hygiene, a chairside (or in-office) procedure should provide long-lasting results for 1 to 3 years. Chairside bleaching (in-office tooth whitening) In some instances, you may need to keep the tray on your teeth for several hours or overnight daily, for a week or longer. Your dentist will supervise this treatment and guide you as to how long and how often you should use it. The whitener supplied by your dentist is stronger than the type used in over-the-counter products. Your dentist can fit your mouth for a custom-made tray that you fill with gel whitener at home. When combined with proper oral hygiene, at-home, dentist-supervised whitening gel trays should give you long lasting results of a year or longer. The amount of whitening you see will vary based on the strength of the peroxide used and length of time worn. You should start seeing results from a whitening gel tray in about a week, with maximum results seen in 2 to 4 weeks’ time. The gel washes away easily, so you can’t eat, drink, or rinse your teeth for about an hour after application. Whitening pens are small, plastic tubes containing whitening gel that are transportable and used for spot stain removal. They provide minimal results that are usually not long-lasting. Whitening pens take from 2 days up to a week. When used correctly, high-quality brands of whitening strips can remove both extrinsic and mild intrinsic stains, by bleaching teeth to make them whiter in color. When used incorrectly or too often, they may be uncomfortable or harmful to teeth. Whitening strips use peroxide to bleach teeth and remove stains.
Some use LED accelerator lights to provide more intense stain removal. Some brands are easier to use and more effective than others. Whitening strips are one of the most effective over-the-counter treatments for whitening teeth at home.
Some strips provide superior results, which can last for up to 6 months. Whitening strips vary in the number of treatments needed before you see results. When used alone, its effects are not dramatic, or long-lasting. Whitening mouthwash may be most effective when used to prolong the effect of other treatments, such as in-office whitening or whitening strips. You can use a whitening mouthwash daily, to help remove small degrees of surface staining. Whitening mouthwashes usually contain hydrogen peroxide. It may take up to 3 months before you see any effect from a whitening mouthwash. If you plan to use whitening toothpaste long term, try alternating with a toothpaste designed to protect and strengthen enamel. Long-term use of whitening toothpaste may thin tooth enamel. Many toothpastes containing abrasives are also not meant for long-term use. But some people are sensitive to the ingredients and find that their gums or teeth become uncomfortable with prolonged use. You may be able to prolong these effects if you continue to use whitening toothpaste. Those that contain peroxide can whiten teeth and remove stains to varying degrees. Toothpastes that only contain abrasives tackle surface stains and can’t change the internal color of teeth. They contain ingredients that polish or whiten teeth, such as: Whitening toothpaste can be used every day or several times a week. Users say these results can last for up to 3 or 4 months. If you use a whitening toothpaste twice daily, it may take anywhere from 2 to 6 weeks before you see any results. Here are some of the most popular whitening treatments and how long they last.
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